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The pre-war headstamp has the 1- or 2-letter code for the brass supplier of the cartridge case at 6 o'clock, the 2-digit year the cartridge case was produced at 12 o'clock, the lot number of the propellant at 9 o'clock, and the 2-digit year the finished cartridge was assembled at 3 o'clock. The brass suppliers or cartridge manufacturers would ...
A headstamp is the markings on the bottom of a cartridge case designed for a firearm.It usually tells who manufactured the case. If it is a civilian case it often also tells the caliber: if it is military, the year of manufacture is often added.
The Stevens 311 is a side-by-side double-barreled shotgun which is a member of a family of 12 gauge double barreled shotguns that were manufactured by Stevens from 1877 to 1988. The actual Stevens 311 started manufacture around 1920 when it was called the Springfield 5000, changing names to the 5100 in 1931 and finally being renamed the Stevens ...
Total wartime production of all Model 520-30 shotguns was 33,306 and all Model 620 shotguns were 12,174. [20] After the war, the US military standardized both the Model 520-30 and the Model 620 and kept them in the inventory. They were used in the Korean War and as late as the Vietnam War. [21] Stevens World War II M520-30 trench gun with M1917 ...
The shotgun shells used primers manufactured by larger eastern ammunition firms. [4] When the firms with primer manufacturing facilities raised primer prices in 1900 to reduce competition from independent shotgun shell assembly plants, the Western Cartridge Company formed the Union Cap and Chemical Company (UCC) as a joint venture with Austin ...
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Early Winchester models referred to as "Red Letter" shotguns were stamped with the Winchester name and filled with red custom enamel paint until 1948. M37's were manufactured without date stamps or serial numbers. There are no factory records for the yearly number of shotguns produced from 1936 to 1963 the entire production run.
While shotguns had been used in earlier conflicts, the trench warfare of World War I demonstrated a need for standardized weapons and ammunition. [2] Initial issue with each shotgun was one hundred commercial-production paper-cased shotgun shells containing nine 00 buckshot pellets 0.33 inches (8.4 mm) in diameter.